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What's in the Box

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This air cleaner is designed to work with 2-barrel Holley carbs with a 5-1/8" neck. Housing is offset 1-1/2" to clear cam covers or other obstructions. It does not clear the float bowl on a 4-barrel Holley "double pumper" carburetor.

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14" diameter with 3" high filter to fit 4 barrel carbs with 5-1/8" diameter necks. Offers maximum air flow with only 2-1/2" stack height above the carburetor lip. Dyno tests report that small blocks using Moroso air cleaners can produce 10 more horsepower than with other air cleaners.

Moroso's unique radiused air inlet design equalizes air pressure past the boosters for uniform air flow

Radiused air inlet is stamped into air cleaner base to reduce overall height

Back to back dyno testing proves a gain of over nearly 10 horsepower over running no air cleaner at all

Convenient and affordable oil-free dry synthetic media provides 99.2% filtration efficiency and can be cleaned by simply blowing out with an air hose. Completely eliminates the need to wash and re-oil a filter hours or days before your next race.

Allows air flow from the side and top of the filter

T.O.P. (The One Piece) design eliminates leaks and sealing failure under changing pressures

Uses the PRO Dry S filter media which is constructed of 2-layers of synthetic media

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instructionsheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

Made from a durable polyspun material containing uniform micron openings. Recommended by engine builders and professional race teams around the world.

Keep the bigger and most damaging particles of sand, dirt, clay and oil drips from getting to and clogging the fins of your air cleaner element. Fits 14" standard air cleaner elements. (will not fit oversize elements). Available 4" tall.

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